package com.cn.wanxi.servlet;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.IUserService;
import com.cn.wanxi.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/login")
public class LoginServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//1.处理乱码
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");

//2.接收前台传数据过来
        String username=req.getParameter("username");
        String password=req.getParameter("password");
        String code=req.getParameter("code");

//3.封装到实体类UserModel
        UserModel userModel=new UserModel();
        userModel.setUsername(username);
        userModel.setPassword(password);
        userModel.setCode(code);
        String sessionCode= (String) req.getSession().getAttribute("code");
        userModel.setSessionCode(sessionCode);

//4.服务逻辑层
        IUserService iUserService=new UserServiceImpl();

//5.调用得到页面所需要的数据
        int result=iUserService.login(userModel);

        if (result==1){//封装到session
            req.getSession().setAttribute("username",username);
        }
//7.将数据转发到页面(给页面一个反馈)
        JSONObject jsonObject=new JSONObject();
        jsonObject.put("result",result);
        resp.getWriter().println(jsonObject);

    }
}
